I have an issue with a Cisco Unity Connection, when the call is prompt to AA and play de greetings record it's sounds like a hhhhh.......eeeee.....llllll......oooooo wwwwww......eeeeee....llllllll.......ccccccccc......ooooo, the same situation is when a call its forwarded to voice mail.
Make sure you do not have any snapshots in place as they are not supported and will cause voice quality issues, also make sure your NTP is stable on the CUC server otherwise if you see several application logs complaining about it this might cause the issue.
Are you getting this error “Installer User Interface Mode Not Supported. The installer cannot run in this UI mode. To specify the interface mode, use the -i command-line option, followed by the UI mode identifier. The value UI mode identifiers...
The below trick might come handy when you have to add a new node to a cluster but you don't have or is unsure of the security password for the publisher. This procedure has been around for ages.
1) Login into the CLI of the Publisher.